新目标英语八年级下册Unit 3教案.docx

Unit 3 What were you doing when the UFO arrived ?Teaching goals:1. Words : barber shop , well , bathroom , accident , earth , silence , playground , around , strange , kitchen , modern , follow , shirt .2. when , while 引导的时间状语从句。3. 学习过去进行时态。4. 利用知识谈论过去发生的事情。5. 复习过去式，学会讲故事。6. 了解一些自然科学知识和社会科学知识。Important and difficult points:1. when, while 引导的时间状语从句。2. 学习过去进行时态。Teaching aids: a tape-recorder, cards. Period 1Teaching procedures:Step 1 Leading in 1. Greetings and free-talk. 2. Check the homework.3. Dictate the words in Unit 2.Step 2 Pre-taskSB Page 18, 1a.1. Point to the sentences .Read the sentences .Explain what each one means.2. Look at the picture .Point out the six people .Match the statements with the people in the picture.3. Check the answers.4. Practice reading.Step 3 While-taskSB Page 18, 1b.1. Read the instructions .Make sure the Ss understand what they should do.2. Look at the dialogue in the picture.Explain: I was standing in front of the library when the UFO arrived.过去进行时态过去进行时态的构成: was / were + doing.用法: 表示过去某一时刻或某一段时间正在进行的动作，一般用时间状语来表示。一、过去进行时的主要用法是描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生。常用的时间状语this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while例如：We were watching TV from seven to nine last night. 昨天晚上七点到九点的时候我们在看电视。 What was he researching all day last Sunday? 上周日他一整天都在研究什么？My brother fell while he was riding his bicycle and hurt himself. 我哥哥骑自行车的时候从车上摔下来，受伤了。It was raining when they left the station. 他们离开车站的时候天正在下雨。When I got to the top of the mountain, the sun was shining. 当我到达山顶的时候，阳光灿烂。二、 过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。如：What was she doing at nine o'clock yesterday? 昨天晚上九点她在做什么？ (介词短语表示时间点)When I saw him he was decorating his room. 当我看见他的时候他正在装饰房间。 (when从句表示时间点)三、 在复合句中，如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时。例如：While he was waiting for the bus, he was reading a newspaper.他边等车边看报。 (两个动作都是延续的)He was cleaning his car while I was cooking. 他擦车时我在做饭。(两个动作同时进行)四、 通常不能用于过去进行时的动词主要有：agree, be, believe, belong, care, forget, hate, have(拥有), hear, know, like, love, mean, mind, notice, own, remember, seem, suppose, understand, want, wish等。例如：误：I was knowing the answer.正：I knew the answer. 我知道答案。误：I wasn't understanding him.正：I didn't understand him. 我不明白他的意思。典型例题1) Mary _ a dress when she cut her finger.A. made B. is making C. was making D. makes 答案C. 割伤手指是已发生的事情，应用过去时。同时，when表时间的同时性，“玛丽在做衣服时”提供事情发生的背景，因此用过去进行时。2) As she _ the newspaper, Granny _ asleep. A. read; was falling B. was reading; fellC. was reading; was falling D. read; fell 答案B.句中的as = when, while，意为"当之时"。描述一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为 "在她看报纸时，奶奶睡着了。"句中的 fell (fall的过去时)，是系动词，后跟形容词，如：fall sick。3. Play the tape twice . Circle the correct responses .4. Check the answers .Step 4 Post-taskTalk about what people were doing when the UFO arrived .Step 5 While-taskSB Page 19 , 2a .1. Read the sentences .Make sure the Ss understand what they mean .2. Play the tape twice .Order these statements .3. Play the tape again ,correct the answers .SB Page 19 , 2b .1. Read the instructions .2. Play the recording .Write “when” or “while” on each line .3. Play the recording again ,correct their answers .Notice: when / while When comes before a quick action that happens only once .The word “while” comes from an action that continues for some time .Step 6 Post-taskSB Page 19, 2c.1. Point ort the picture .Ask what each person is doing.2. Groupwork: Ask “What was doing when the UFO arrived ?”3. Ask a group to say its conversation to the class.Step 7 Grammar Focus Review the grammar box by asking some students to read the sentences.Homework:1. Go over the words in this unit 2. 用介词或介词短语填空。 They were talking the phone. I was the barbers chair. The boy was walking the street when a UFO landed. I had a very unusual experience Sunday. The alien visited the Museum Flight. Period 2Teaching procedures:Step 1 Leading in1. Greetings and free-talk.2. Check the homework.Step 2 While-taskSB Page 20, 3a.1. Read the instructions.2. Read the e-mail by the Ss first .Number the pictures in the correct order.3. Explain something.4. Practice reading and listen to the tape.SB Page 20, 3b.Cover the story .Look at the pictures and take turns to tell the story. I think this activity is hard to most of the students.If necessary, do it as homework.SB Page 20 , Part 4 .What were you doing at these times last Sunday?1. Read the sample dialogue in the box.2. Look at the table .Read the times for the Ss.3. Pairwork: Talk about what they were doing at different times .4. Write down your answers.5. Practice reading.Step 3 Post-taskMake an interview.Interview two classmates in your class and write down their answers .Begin like this: What were you doing at ? I was .Homework:Cover the story in 3a .Try to retell the story. Period 3Teaching procedures:Step 1 Leading in 1. Greetings and free-talk.2. Check the homework.Step 2 Pre-taskSB Page 21, 1c.1. Look at the pictures .Please say something about the picture.2. Read the sentences and explain the new words.3. Match the sentences with the pictures.4. Check the answers.Step 3 While-taskSB Page 21, 2a & 2b.1. Read the things in the chart below. They will help Ss to guess what you will heard. Hear six things in the chart.2. Play the recording the first time. Ss only listen.3. Play the recording a second time .Check the phrases they hear on the recording.4. Listen again. Pay attention to the persons who did each thing in the chart above. Match the phrases with the persons.5. Play the tape again and correct the answers.Step 4 Post-taskSB Page 21, 2c.Pairwork: Read the sample dialogue in the box. Talk about the people in activity 2a. S1 begins a sentence with the word “while, S2 complete the sentence. While John was walking to school, he saw a cat in a tree. While John was climbing the tree, a man saw him. While the man was calling the police, a woman called the newspaper. While the newspaper reporter was taking photos, the cat went up the tree again.Ss can say them out by themselves.Homework:SB Page 23, Selfcheck, Parts 1and 2. Period 4Teaching procedures:Step 1 Leading in 1. Greetings and free-talk.2. Check the homework: Correct the answers.Step 2 Pre-taskSB Page 22, Part 3.1. Read the instructions, pointing to the article and the list of questions.2. Scan the passage for the main idea.T: Who found Lindas dog? (the police officers dog )3. Read the questions by the Ss .Make sure they understand them.4. Play the recording .Ss listen carefully.5. Write answers to the questions.6. Practice reading.7. Correct the answers.Step 3 While-taskSB Page 22, 4a.1. Read the instructions.2. Look at the pictures .Discuss in groups.3. Ask students to explain what is happening in each picture.4. Complete the work on their own .Remind them to use times in their stories.5. Share their stories.(If someone cant finish it in class ,do it as homework .)Step 5 Post-taskSB Page 22, 4b.1. Read the instructions.2. Read the times.3. Pairwork: One is the police officer, the other is the bicycle thief .Begin like this:A: Where were you at ?B: I was in the park.A: What were you doing there?B : .4. Show the role-plays to the class.Homework:1. Finish Selfcheck, Part 3.2.运用过去进行时态when / while 来描述上个星期日两人不同的动作，写出五个正确的句子。TimeActionLindaMe8:00 amread Englishplay football12:00 amhave lunchread newspaper2:00 pmhave a restplay computer games4:00 pmplay basketballsleep6:00 pmdo homeworkwatch TV、 Period 5-6Teaching procedures:Step 1 Leading in1. Greetings and free-talk.2. Check the homework.Step 2 Pre-taskSB Page 24, Groupwork.1. Arrange the Ss in small groups. Ask them to look at the pictures and talk about the events .Encourage students to say how historical events affected their lives.2. Tell the Ss to help each other with vocabulary they might need and dont know.Step 3 While-task1. Reading strategy: The title can be helpful for you to understand a text .It is also a good idea to read the first sentence of each paragraph before reading.2. Read the title, which gives an indication of the content of the reading .Think of one question they think might be answered in the reading.3. Play the recording, Ss listen.4. Ask Ss to read the story out to the class.5. Ask Ss to comment on whether their questions in the previewing stage were answered.Step 4 Post-taskSB Page 25, 3a.Read the four events and match them to the correct dates .When finished, ask Ss to swap their book with a partner for correction.Homework:Write about an event that you remember well. Give dates and say why you remember it, and what you were doing at the time when you heard the news.